- Enrollment
- 1,654
- Students per teacher
- 17.8:1
- Resource Index
- 42/100
High school (grades 9-12) · Mandeville, LA
Mandeville High School
Federal NCES profile for Mandeville High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 220165001285
👥 S:T ratio 24
🌟 Gifted program 70
🎓 Counselors 20
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mandeville High School earns 47/100 on the Resource Investment Index, with class sizes larger than 79% of Louisiana schools. It is also one of the largest schools in Louisiana.
- #1 of 3
- high schools in Mandeville · Resource Index
- 47
- Resource Index · Typical
- 19.1:1
- large classes for Louisiana
- 17.7%
- free-lunch eligible
Mandeville High School has class sizes larger than 79% of Louisiana schools. Computed live against every Louisiana school reporting to NCES.
By Resource Investment Index, Mandeville High School ranks #1 of 3 high schools in Mandeville, LA.
School address
District: St. Tammany Parish · Louisiana
NCES ID 220165001285 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-71 students YoY
Mandeville High School held near 2,188 students from 2022-23 to 2023-24 (-71 headcount).
Teacher FTE added 105.0 → 137.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-71 students YoY 220165001285 · Mandeville, LA High · LARGE · TRAD
2,006 enr · 19.1:1 · 17.7% lunch · RII 47
Nearest enrollment peer: Slidell High School (1,654 students)
Mandeville High School held near 2,188 students from 2022-23 to 2023-24 (-71 headcount). Teacher FTE added 105.0 → 137.5 across the same CCD years. Read with this school → · District book → · Louisiana schools → · Find another →
Mandeville High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Mandeville High School
2,006 students
- Slidell High S
Slidell High School
1,654 students
- Covington High
Covington High School
1,600 students
- Northshore Hig
Northshore High School
1,518 students
- Joseph B. Lanc
Joseph B. Lancaster Elementary School
1,480 students
- Fontainebleau
Fontainebleau High School
1,451 students
What this shows Mandeville High School reports 2,006 students on the CCD universe file.
How Mandeville High School compares
Mandeville High School held steady on CCD headcount: ratios and free-lunch share vs Louisiana and U.S. means.
| Metric | This school | vs Louisiana | Louisiana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.1:1 | ▲ 14% | 16.8:1 | 15.7:1 |
| Free-lunch eligible | 17.7% | ▼ 72% | 62.5% | 51.7% |
| Enrollment | 2,006 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.1:1
Leaner classes than 19% of US schools, heavier class loads than most.
2,006
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
17.7%
free-lunch eligible
- 72% below the Louisiana average of 62.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.1:1
students per teacher
- 14% above state mean
Top 79% in Louisiana - lower ratio than 21% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
9.4%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$14,823
per pupil, district-wide
- below Louisiana avg of $16,812
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 401 students, the combined health-and-guidance staffing load for this school.
Discipline context
105
in-school suspensions + 133 out-of-school
Suspension rate: 5.2 per 100 students. Combined in-school and out-of-school rate: 11.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 19 expulsions.
Student demographics
White 80.2%
Hispanic or Latino 8.3%
African American 6.9%
Two or More 2.4%
Asian 1.7%
American Indian / Alaska Native 0.3%
Largest group: White at 80.2% of enrollment.
Student-body diversity index 34.4/100
Simpson diversity index - at 34.4, Mandeville High School is less mixed than the Louisiana school average of 43.9.
Programs
AP courses offered 10
Gifted & talented Yes
District finance for St. Tammany Parish reports $14,823 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mandeville High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Slidell High School | Similar size | Higher economic need | Similar S:T ratio |
| Covington High School | Similar size | Higher economic need | Similar S:T ratio |
| Northshore High School | Similar size | Higher economic need | Similar S:T ratio |
| Joseph B. Lancaster Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Fontainebleau High School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mandeville High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,600
- Students per teacher
- 19.5:1
- Resource Index
- 35/100
- Enrollment
- 1,518
- Students per teacher
- 18.5:1
- Resource Index
- 49/100
- Enrollment
- 1,480
- Students per teacher
- 21.1:1
- Resource Index
- 45/100
- Enrollment
- 1,451
- Students per teacher
- 17.1:1
- Resource Index
- 45/100
Similar high schools in Mandeville
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,006 students)
Similar student-teacher ratio (~19.1:1)
Frequently asked questions about Mandeville High School
How many students attend Mandeville High School?
Mandeville High School has 2,006 students enrolled. It is a high school in Mandeville, LA. CCD year-over-year: 2,259 (2022-23) → 2,188 (2023-24), nearly flat (-71).
What is the student-teacher ratio at Mandeville High School?
The student-teacher ratio at Mandeville High School is 19.1:1, which is 14% higher than the Louisiana average of 16.8:1 and 22% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mandeville High School?
17.7% of students at Mandeville High School are eligible for free lunch, compared to the Louisiana average of 62.5%.
What is the racial and ethnic makeup of Mandeville High School?
The largest demographic group at Mandeville High School is White at 80.2% of enrollment, in Mandeville, LA.
What is the Resource Investment Index for Mandeville High School?
Mandeville High School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mandeville High School rank among high schools in Mandeville?
By Resource Investment Index, Mandeville High School ranks #1 of 3 high schools in Mandeville, LA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Mandeville on the city page.
What other schools are in St. Tammany Parish?
Besides Mandeville High School, St. Tammany Parish also operates Slidell High School (1,654 students), Covington High School (1,600 students), and Northshore High School (1,518 students). See the St. Tammany Parish district page for the complete list.